#ifndef _HOOKPROC_MESSAGEHOOK_HPP_
#define _HOOKPROC_MESSAGEHOOK_HPP_
#ifndef _HOOKPROC_APIENTRY_HPP_
#include <hookproc/apientry.hpp>
#endif
#ifndef _HOOKPROC_PROCADDRESS_HPP_
#include <hookproc/procaddr.hpp>
#endif

class MsgHook;
typedef ProcAddress<MsgHook> MessageHook;

class MsgHook : protected APIEntry, private MessageHook
{
public:
  MsgHook(void);
	virtual ~MsgHook();
protected:
  virtual int hookProc(int code,WPARAM wParam,LPARAM lParam);
private:
  enum {ParamLength=12};
	MsgHook &operator=(const MsgHook &someMsgHook);
  int entryProc(int code,WPARAM wParam,LPARAM lParam);

	HHOOK mhPrevHook;
};

inline
MsgHook::MsgHook(void)
: APIEntry(ParamLength,(DWORD)this,getProcAddress((ProcAddress<MsgHook>::LPFNMETHODVOID)&MsgHook::entryProc)),
  mhPrevHook(0)
{
  mhPrevHook=::SetWindowsHookEx(WH_GETMESSAGE,(HOOKPROC)codeBase(),(HINSTANCE)::GetModuleHandle(0),::GetCurrentThreadId());
}

inline
MsgHook &MsgHook::operator=(const MsgHook &someMsgHook)
{	// no implementation
  return *this;
}
#endif